Imagine two observers, one seated in the center of a speeding train car, and another standing on the platform as the train races by. As the center of the car passes the observer on the platform, he...
Imagine two observers, one seated in the center of a speeding train car, and another standing on the platform as the train races by. As the center of the car passes the observer on the platform, he sees two bolts of lightning strike the car - one on the front, and one on the rear. The flashes of light from each strike reach him at the same time, so he concludes that the bolts were simultaneous, since he knows that the light from both strikes traveled the same distance at the same speed, the speed of light. He also predicts that his friend on the train will notice the front strike before the rear strike, because from her perspective on the platform the train is moving to meet the flash from the front, and moving away from the flash from the rear.
But what does the passenger see? As her friend on the platform predicted, the passenger does notice the flash from the front before the flash from the rear. But her conclusion is very different. As Einstein showed, the speed of the flashes as measured in the reference frame of the train must also be the speed of light. So, because each light pulse travels the same distance from each end of the train to the passenger, and because both pulses must move at the same speed, he can only conclude one thing: if he sees the front strike first, it actually happened first.
Whose interpretation is correct - the observer on the platform, who claims that the strikes happened simultaneously, or the observer on the train, who claims that the front strike happened before the rear strike? Einstein tells us that both are correct, within their own frame of reference. This is a fundamental result of special relativity: From different reference frames, there can never be agreement on the simultaneity of events.
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I agree with this statement although astro-physics requires this type of unit for calculations in distance and the speed of light unit of measurement is alot better then writing so many zero's behind the numbers.But thats all i fear it is good for! Your Friend, Robby
The equation is set up such that the more you accelerate an object, its mass increases such that it requires exponentially more energy to accelerate a little more each time. For example, say we simplify the speed of light at 300000 km/s, then at the very end, it will go 299999, then 299999.9, then 299999.99, 299999.999, and so on, so you can see how it never reaches the actual limit, yet is still accelerating indefinitely.
Speed limit is there because it is observed that the speed of light is constant, always, for everyone.
Imagine standing by the road, and a car that moves at a constant speed of 200 km/h passes you by.
You hop into your Ferrari and try to catch that car. But no matter what you do, whenever you look at that car in front it's still moving away from you at a constant 200 km/h. In another words, you can never move faster than that car.
in order to make speed of light as constant so that space bend so time get slow results so that atomic bomb is possible so that no intersteller travel is possible
"Speed of light is constant" is not some ad-hoc postulate Einstein made up because had a strange idea that no one should be able to move faster than light.
The constancy of the speed of light was first experimentally observed 120 years ago. It is a well established fact, and anyone that questions this fact must first provide the evidence. I'm not saying that is an impossible task, but saying "I don't feel that's true" just doesn't cut it.
I agree that in a "Vacuuuuum" the speed of light is constant in a normal enviroment ! Thank God i am a "Human " and was born with an ability to "CHEAT!!!!!! The idea of cheating somehow can be observed by looking at the data from experiments into fluid dynamics and the quest for absolute zero. It has been observed that a bose /einstein state is achieved very close to "ZERO" and that these supercooled atoms occupy more then one space time constant and are not bound by the speed of light boundary.
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Your Friend, Robby
Imagine standing by the road, and a car that moves at a constant speed of 200 km/h passes you by.
You hop into your Ferrari and try to catch that car. But no matter what you do, whenever you look at that car in front it's still moving away from you at a constant 200 km/h. In another words, you can never move faster than that car.
so that space bend
so time get slow
results
so that atomic bomb is possible
so that no intersteller travel is possible
The constancy of the speed of light was first experimentally observed 120 years ago. It is a well established fact, and anyone that questions this fact must first provide the evidence. I'm not saying that is an impossible task, but saying "I don't feel that's true" just doesn't cut it.
that is why
space time constant
light vend how could it be constant
fission is energy dissipitating
fusion is not chain reaction
gravity is created by spinning plasma
if you can accelerate continuously
you can be faster than speed of light